kafka: don't use personal fork

Author: SethTisue

proj/kafka.conf

@@ -1,11 +1,13 @@
-// https://github.com/SethTisue/kafka.git#build-with-sbt
+// https://github.com/scalacommunitybuild/kafka.git#community-build-2.13
 
-// Kafka doesn't have its own sbt build, but Enno made one on his branch
-// (and he's handling things like test exclusions there)
+// Kafka doesn't have its own sbt build, but Enno made one on his
+// "build-with-sbt" branch. at one time, he was maintaining that
+// himself, including test exclusions, but lately I've been making
+// tweaks in the scalacommunitybuild fork instead
 
 vars.proj.kafka: ${vars.base} {
   name: "kafka"
-  uri: "https://github.com/SethTisue/kafka.git#56ddab45b6f4c30d5cad6370053ec98dce6d6364"
+  uri: "https://github.com/scalacommunitybuild/kafka.git#56ddab45b6f4c30d5cad6370053ec98dce6d6364"
 
   extra.commands: ${vars.default-commands} [
     // Enno could move these to his own config